Home / 13,949.11-20,899.06-7,360.77

Finding the Fourth Proportional to 13,949.11, 20,899.06 and 7,360.77

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Solution

The fourth proportional to 13,949.11, 20,899.06 and 7,360.77 is: 11,028.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,949.11 : 20,899.06 = 7,360.77 : x
  2. Step 2: Convert to fraction form
    13,949.11/20,899.06 = 7,360.77/x
  3. Step 3: Cross multiply
    13,949.11x = 20,899.06 × 7,360.77
  4. Step 4: Simplify right side
    13,949.11x = 153,833,173.88
  5. Step 5: Solve for x
    x = 153,833,173.88/13,949.11
  6. Step 6: Final answer
    x = 11,028.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.